CVE-2021-4091
389-ds-base Double-Free Memory Corruption Vulnerability
Description
A double-free was found in the way 389-ds-base handles virtual attributes context in persistent searches. An attacker could send a series of search requests, forcing the server to behave unexpectedly, and crash.
INFO
Published Date :
Feb. 18, 2022, 6:15 p.m.
Last Modified :
April 24, 2023, 9:15 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2021-4091
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-4091.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2030307 | Issue Tracking Patch Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-4091 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-4091 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 24, 2023
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html [No Types Assigned] -
Modified Analysis by [email protected]
Dec. 02, 2022
Action Type Old Value New Value -
CVE Modified by [email protected]
Oct. 07, 2022
Action Type Old Value New Value Removed CWE Red Hat, Inc. CWE-416 Added CWE Red Hat, Inc. CWE-415 Removed CWE Reason CWE-416 / More specific CWE option available -
Initial Analysis by [email protected]
Mar. 01, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2030307 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2030307 Issue Tracking, Patch, Vendor Advisory Added CWE NIST CWE-415 Added CPE Configuration OR *cpe:2.3:a:port389:389-ds-base:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.10.2 Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux_desktop:7:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_scientific_computing:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-4091 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-4091
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.10 }} 0.01%
score
0.41819
percentile